import type { Directory } from "@capacitor/filesystem";
/**
 * Represents a Base64 encoded string.
 */
export declare type Base64String = string;
/**
 * Can be used to specify options for the recording.
 */
export interface RecordingOptions {
    /**
     * The capacitor filesystem directory where the recording should be saved.
     *
     * If not specified, the recording will be stored in a base64 string and returned in the `RecordingData` object.
     * @see RecordingData
     */
    directory?: Directory;
    /**
     * An optional subdirectory in the specified directory where the recording should be saved.
     */
    subDirectory?: string;
}
/**
 * Interface representing the data of a recording.
 */
export interface RecordingData {
    /**
     * The value containing the recording details.
     */
    value: {
        /**
         * The recorded data as a Base64 encoded string.
         */
        recordDataBase64: Base64String;
        /**
         * The duration of the recording in milliseconds.
         */
        msDuration: number;
        /**
         * The MIME type of the recorded file.
         */
        mimeType: string;
        /**
         * The URI of the recording file.
         */
        uri?: string;
    };
}
/**
 * Interface representing a generic response with a boolean value.
 */
export interface GenericResponse {
    /**
     * The result of the operation as a boolean value.
     */
    value: boolean;
}
/**
 * Interface representing the current status of the voice recorder.
 */
export interface CurrentRecordingStatus {
    /**
     * The current status of the recorder, which can be one of the following values: 'RECORDING', 'PAUSED', 'NONE'.
     */
    status: 'RECORDING' | 'PAUSED' | 'NONE';
}
/**
 * Interface for the VoiceRecorderPlugin which provides methods to record audio.
 */
export interface VoiceRecorderPlugin {
    /**
     * Checks if the current device can record audio.
     * On mobile, this function will always resolve to `{ value: true }`.
     * In a browser, it will resolve to `{ value: true }` or `{ value: false }` based on the browser's ability to record.
     * This method does not take into account the permission status, only if the browser itself is capable of recording at all.
     * @returns A promise that resolves to a GenericResponse.
     * @throws Error with code "COULD_NOT_QUERY_PERMISSION_STATUS" if the device cannot query the permission status.
     */
    canDeviceVoiceRecord(): Promise<GenericResponse>;
    /**
     * Requests audio recording permission from the user.
     * If the permission has already been provided, the promise will resolve with `{ value: true }`.
     * Otherwise, the promise will resolve to `{ value: true }` or `{ value: false }` based on the user's response.
     * @returns A promise that resolves to a GenericResponse.
     * @throws Error if the permission request fails.
     */
    requestAudioRecordingPermission(): Promise<GenericResponse>;
    /**
     * Checks if audio recording permission has been granted.
     * Will resolve to `{ value: true }` or `{ value: false }` based on the status of the permission.
     * The web implementation of this plugin uses the Permissions API, which is not widespread.
     * If the status of the permission cannot be checked, the promise will reject with `COULD_NOT_QUERY_PERMISSION_STATUS`.
     * In that case, use `requestAudioRecordingPermission` or `startRecording` and capture any exception that is thrown.
     * @returns A promise that resolves to a GenericResponse.
     * @throws Error with code "COULD_NOT_QUERY_PERMISSION_STATUS" if the device cannot query the permission status.
     */
    hasAudioRecordingPermission(): Promise<GenericResponse>;
    /**
     * Starts audio recording.
     * On success, the promise will resolve to { value: true }.
     * On error, the promise will reject with one of the following error codes:
     * "MISSING_PERMISSION", "ALREADY_RECORDING", "MICROPHONE_BEING_USED", "DEVICE_CANNOT_VOICE_RECORD", or "FAILED_TO_RECORD".
     * @param options The options for the recording.
     * @returns A promise that resolves to a GenericResponse.
     * @throws Error with one of the specified error codes if the recording cannot be started.
     */
    startRecording(options?: RecordingOptions): Promise<GenericResponse>;
    /**
     * Stops audio recording.
     * Will stop the recording that has been previously started.
     * If the function `startRecording` has not been called beforehand, the promise will reject with `RECORDING_HAS_NOT_STARTED`.
     * If the recording has been stopped immediately after it has been started, the promise will reject with `EMPTY_RECORDING`.
     * In a case of unknown error, the promise will reject with `FAILED_TO_FETCH_RECORDING`.
     * In case of success, the promise resolves to RecordingData containing the recording in base-64, the duration of the recording in milliseconds, and the MIME type.
     * @returns A promise that resolves to RecordingData.
     * @throws Error with one of the specified error codes if the recording cannot be stopped.
     */
    stopRecording(): Promise<RecordingData>;
    /**
     * Pauses the ongoing audio recording.
     * If the recording has not started yet, the promise will reject with an error code `RECORDING_HAS_NOT_STARTED`.
     * On success, the promise will resolve to { value: true } if the pause was successful or { value: false } if the recording is already paused.
     * On certain mobile OS versions, this function is not supported and will reject with `NOT_SUPPORTED_OS_VERSION`.
     * @returns A promise that resolves to a GenericResponse.
     * @throws Error with one of the specified error codes if the recording cannot be paused.
     */
    pauseRecording(): Promise<GenericResponse>;
    /**
     * Resumes a paused audio recording.
     * If the recording has not started yet, the promise will reject with an error code `RECORDING_HAS_NOT_STARTED`.
     * On success, the promise will resolve to { value: true } if the resume was successful or { value: false } if the recording is already running.
     * On certain mobile OS versions, this function is not supported and will reject with `NOT_SUPPORTED_OS_VERSION`.
     * @returns A promise that resolves to a GenericResponse.
     * @throws Error with one of the specified error codes if the recording cannot be resumed.
     */
    resumeRecording(): Promise<GenericResponse>;
    /**
     * Gets the current status of the voice recorder.
     * Will resolve with one of the following values:
     * `{ status: "NONE" }` if the plugin is idle and waiting to start a new recording.
     * `{ status: "RECORDING" }` if the plugin is in the middle of recording.
     * `{ status: "PAUSED" }` if the recording is paused.
     * @returns A promise that resolves to a CurrentRecordingStatus.
     * @throws Error if the status cannot be fetched.
     */
    getCurrentStatus(): Promise<CurrentRecordingStatus>;
}